Guitar · voicings # Quartal triad voicings on guitar Quartal triad (1–4–♭7). Played exactly as stacked, from the bass up. Practice Lab's voicing search finds 4 shapes, every one movable: drawn here on C (C, F, B♭), each plays any key moved to it, as the table below shows. | Note | C | F | B♭ | | --- | --- | --- | --- | | Degree | 1 | 4 | ♭7 | ## From the bass: C F B♭ (1 4 ♭7) **Strings 6, 5 and 4** Grip 8-8-8-x-x-x · fret 8 **Strings 5, 4 and 3** Grip x-3-3-3-x-x · fret 3 **Strings 4, 3 and 2** Grip x-x-10-10-11-x · frets 10–11 **Strings 3, 2 and 1** Grip x-x-x-5-6-6 · frets 5–6 ## Where the shapes start in every key The fret of each shape's lowest note, between fret 1 and 12, by the string it is on and the degree it plays. | Key | String 3 (1) | String 4 (1) | String 5 (1) | String 6 (1) | | --- | --- | --- | --- | --- | | C | 5 | 10 | 3 | 8 | | D♭ | 6 | 11 | 4 | 9 | | D | 7 | 12 | 5 | 10 | | E♭ | 8 | 1 | 6 | 11 | | E | 9 | 2 | 7 | 12 | | F | 10 | 3 | 8 | 1 | | F♯ | 11 | 4 | 9 | 2 | | G | 12 | 5 | 10 | 3 | | A♭ | 1 | 6 | 11 | 4 | | A | 2 | 7 | 12 | 5 | | B♭ | 3 | 8 | 1 | 6 | | B | 4 | 9 | 2 | 7 | ## Scales with Quartal triad on C in them Scale pages on the same root that hold every note of the voicing. - [C minor scale](https://practice.graph.audio/guitar/scales/c-minor) - [C Dorian scale](https://practice.graph.audio/guitar/scales/c-dorian) - [C Phrygian scale](https://practice.graph.audio/guitar/scales/c-phrygian) - [C Mixolydian scale](https://practice.graph.audio/guitar/scales/c-mixolydian) - [C Locrian scale](https://practice.graph.audio/guitar/scales/c-locrian) - [C minor pentatonic scale](https://practice.graph.audio/guitar/scales/c-minor-pentatonic) - [C blues scale](https://practice.graph.audio/guitar/scales/c-blues) - [C bebop dominant scale](https://practice.graph.audio/guitar/scales/c-bebop-dominant) - [C Phrygian dominant scale](https://practice.graph.audio/guitar/scales/c-phrygian-dominant) ## Practice it in Practice Lab Practice Quartal triad voicings in every key, at your tempo, with a plan that adapts. Free, in your browser, no account. [Open it in Practice Lab](https://practice.graph.audio/#practice=voicing-quartal-triad:0:shapes)